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Hush Feature
The alarm has a combined Test/Hush Button to help you control nuisance false alarms.
To silence a false alarm, press the Test/Hush Button located on the cover. The alarm will
automatically switch to a reduced sensitivity condition (very large levels of smoke from a
nearby fire will override the Hush on the Smoke Alarms). It will not completely disable the
alarm. This condition allows unwanted alarms to be silenced for a period of approximately
10 minutes.
When in ‘Hush’ mode the unit will flash the red light every 8 seconds (instead of the
normal 40 seconds) to indicate the sensitivity is reduced.
On interconnected alarms, pressing the Test/Hush Button on the unit sensing smoke or fire
(i.e. the one with the red light flashing twice every second) will silence all alarms. Pressing
the Test/Hush Button on any other alarm will not cancel the alarm.
The unit will reset to normal sensitivity at the end of the 10 minute ‘Hush’ period. If additional
silenced time is required, simply push the Test/Hush Button again.
8. ALARM MEMORY
After a unit has gone into alarm, it will flash the red indicator light twice (1 second apart),
every 40 seconds. This will continue for the following 24 hours to indicate that the unit has
previously alarmed. After this time, this memory will automatically reset. Alternatively,
pressing the Test/Hush button will also reset the memory.
Additionally, pressing the test
button on this unit will cause it to emit short, rapid beeps instead of the normal alarm
sound. Both these features allow easy identification, for example, of the source of
nuisance alarms during the night. This memory can be very helpful after the entire system
has gone into alarm and then stopped, for no obvious reason.
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